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∂n/∂xn(log x) is: (a)(n-1)!/xn (a)(n)!/xn (a)(n-2)!/xn (a)(-1)(n-1)(n-1)!/xn ...
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Let AN be any line drawn through A in a Triangle ABC. Let BM, CN perpendiculars are drawn from B and C to AN and let D be the mid-point of BC, prove that MD = ND. ...
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\hspace{-16}$Prove that for all Natural no. $\bf{k}$\\\\ $\bf{(k^3)!}$ is Divisible by $\bf{(k!)^{1+k+k^2}}$ any method other then Induction ...
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\hspace{-16}$Prove that for all Natural no. $\bf{k}$\\\\ $\bf{(k^3)!}$ is Divisible by $\bf{(k!)^{1+k+k^2}}$ any method other then Induction ...
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Let AN be any line drawn through A in a Triangle ABC. Let BM, CN perpendiculars are drawn from B and C to AN and let D be the mid-point of BC, prove that MD = ND. ...
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\hspace{-16}$Is There is any Positive Integer Triplet $\bf{(x,y,z)}$ for which $\bf{8^x+17=y^z}$ ...
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Let AN be any line drawn through A in a Triangle ABC. Let BM, CN perpendiculars are drawn from B and C to AN and let D be the mid-point of BC, prove that MD = ND. ...
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\hspace{-16}$If $\bf{xy=1}$ and $\bf{x,y\in\mathbb{R}}$ and satisfy the Relation $\bf{\left\{(x+y)^2+4\right\}.\left\{(x+y)^2-2\right\}\geq \mathbb{A}.(x-y)^2}$\\\\ Then $\bf{\mathbb{A}}$ is ...
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\hspace{-16}\bf{\mathbb{P}}$rove that $\bf{\prod_{k=1}^{n-1}\cos\left(\frac{k\pi}{n}\right)=\frac{\sin \left(\frac{n\pi}{2}\right)}{2^{n-1}}}$ can anyone help me for solving the Given Question. I have Got \hspace{-16}$\displa ...
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The no. of possible triples (a1,a2,a3) such that a1+a2cos2x+a3sin2x=0 for all x is (a)0 (b)1 (c)2 (d)Infinite ...
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Let AN be any line drawn through A in a Triangle ABC. Let BM, CN perpendiculars are drawn from B and C to AN and let D be the mid-point of BC, prove that MD = ND. ...
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Let AN be any line drawn through A in a Triangle ABC. Let BM, CN perpendiculars are drawn from B and C to AN and let D be the mid-point of BC, prove that MD = ND. ...
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If you have any question to ask, please ask here. ...
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Let AN be any line drawn through A in a Triangle ABC. Let BM, CN perpendiculars are drawn from B and C to AN and let D be the mid-point of BC, prove that MD = ND. ...
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Consider a n*n chessboard. A person moves along the lines of the chessboard such that the sum in the y axis is greater than or equal to the sum in the x axis. Find the number of ways of going from one corner to the other corn ...
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Find the minimum Value of cot1 x cot2 x cot3 x ...... cot44. ...
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If a and b are two vectors then the value of (a+b)x(a-b) is (a)2(bxa) (b)-2(bxa) (c)bxa (d)axb ...
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\hspace{-16}\mathbb{I}$f $\bf{x_{i}\; \big(i=1,2,3,.....,48\big)}$ are the Roots of the equation $\bf{\mathbb{P}(x)=18x^4+3x+2006}$\\\\ Then Find value of $\bf{\sum_{i=1}^{48}\frac{x_{i}}{1+x_{i}}=}$ ...
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The men square deviation of a set of n observations x1,x2,x3,.....xn about a point c is defined as \left(1/n \right)\sum_{i=1}^{n}{\left(x_{i}-c \right)^{2}} The mean square deviation about -2 and 2 are 18 and 10 respectively ...
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Hey friends , I am in 11th class and I am in need of a good physics book for practicing questions , tell me is New Pattern IIT JEE Physics D C Pandey good for a 11th class student , can a 11th class student use this book for ...
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Please suggest a good book for solving quality calculus problems for JEE preparation. ...
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I am in 11th class and looking for a good book from which I can solve quality sums , I have study material from my coaching center but that's bot enough I think. ...
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Q In complex [Fe(H2O)5(NO)]2+ , NO molecule is present as : Attempt: The answer given is NO+, But I think here NO is neutral. Q An equimolar mixture of toulene and chlorobenzene is treated with a mixture of Conc. Nitric acid ...
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Why do distant hills covered with trees appear blue? ...
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Why do distant hills covered with trees appear blue? ...
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\hspace{-16}$If $\bf{x,y,z\in \mathbb{R}}$ and $\bf{f(x).f(y).f(z) = 12f(xyz) ô€€€ -16xyz}$\\\\ Then No. of function which satisy $\bf{f:\mathbb{R}\rightarrow \mathbb{R}}$ is ...
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Six married couples are sitting together.NUmber of ways of selecting 4 people so that there is exactly one married couple among the four is: I thought the answer should be C(6,1)*C(10,1)*C(8,1) that is 480. The answer given i ...
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Six married couples are sitting together.NUmber of ways of selecting 4 people so that there is exactly one married couple among the four is: I thought the answer should be C(6,1)*C(10,1)*C(8,1) that is 480. The answer given i ...
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In a series of games between team A and team B,they decide to play on till a team wins 5 matches .In how many ways can A win the series if no match ends in a draw? Please explain how you solved it! Answer is 126 ...
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In a series of games between team A and team B,they decide to play on till a team wins 5 matches .In how many ways can A win the series if no match ends in a draw? Please explain how you solved it! Answer is 126 ...
