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Q. how would we prove that that the following statement is wrong n+n+n......n times = n2 differentiatng both sides w.r.t n we get 1+1+1+.....n times = 2n or n=2n or 1=2 ...

*Image* for finding resistance is it in parallel or series??//how to know that as here it appears to be in parallel ...

i got this message when i tried to open google so wat shud i do now. *Image* ...

1.Find the fallacy :- n+n+n.....(n terms)=n2 differentiating both sides w.t.n 1+1+1....n terms=2n n=2n 1=2 guess: can we differentiate both sides on an identity. 2.find the sum:- 1+(1+a)r+(1+a+a2)r2+..n terms 3.Find the sum 1 ...

find the largest integer n such that n+5 divides n3+25 ...

Toluene is nitrated and the resulting product is reduced with tin and hydrochloric acid. The product so obtained is diazotized and then heated with cuprous bromide. The reaction mixture so formed contains 1. mixture of o-; an ...

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1.explain y para nitro benzoic acid is weaker acid than ortho nitro ...... acid 2.xplain y alpha methyl acetyl acetone undergoes lesser enolisation than acetyl acetone 3.pls explain wat exactly meso means ....[i know this 1 i ...

If z1 and z2 be two distict complex numbers such that z_1+z_2=\frac{z_1}{\left|z_2 \right|^{2}}+\frac{z_2}{\left|z_1 \right|^{2}} then prove that 1+\left|z_1 \right|\left|z _2 \right|=\frac{z_1}{z_2}+\frac{z_2}{z_1} ...

*Image* 1) In the above figure A has a mass 40kg and B is of 15 kg and F is 500N parallel to the smooth inclined plane. The system is moving together.(a) Show that the acc of the system is 45/11 m/s2 (b) Show that the least c ...

1) If a>1 , b>1 then show that the min value of log b a + log a b is 2. 2) Show that the least value of 2 log 100 a - log a 0.0001 for a >1 is 4. 3) If x,y,z are positive then show that the min value of X logy - logz ...

synthesise 1) coumarin find the structure here. http://en.wikipedia.org/wiki/File:Coumarin_acsv.svg 2) naphthalene from benzene 3) ethyl benzene in good yield from benzene 4) isopropylbenzene from benzene in one step given pr ...

Which is a better leaving group Cl- or OEt- ? ...

"nucleophilicity runs parallel to basicity when the nucleophilic atom is the same in various species" ...

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*Image* Ques1) In the above figure, show that the current in 3 ohm resistance is 1/7 A. Ques2) *Image* Find the current in branch CD of the circuit. Ques3) What would happen to the drift velocity of electrons in a wire and to ...

Prove that ∫ dx/1+xn ( LL= 0 and UL= ∞) = ∫ dx/(1-xn)1/n (LL=0 AND UL=1)(n>1) LL=LOWER LIMIT UL=UPPER LIMIT ...

a coin is tossed (m+n) times where (m>n). find the probability of exactly n consecutive heads. ...

*Image* Ques1) Two blocks of masses M1 and M2 (In the above figure) are placed in contact with each other as shown. The voefficient of friction b/w M1 and platform is 2 \mu and that b/w block M2 and platform is \mu . The plat ...

A man scubadives from a cliff with a rope of length 490 metres. Once the rope becomes taut, a deceleration of 98 m/s2 starts to act. Find the maximum depth from the top of the cliff that he will reach? ...

∫ {1/(x16 - 1) }dx ...

A stick of length 1 is divided randomly into 3 parts. What is the probability that a triangle can be made with those three parts? ...

Determine whether there exist rationals (x,y) such that x2+y2=3 ...

Ques1) If a > 0 , b > 0 , c > 0 and the min value of a (b2 + c2) + b(c2 +a2 ) + c(a2+b2) is k abc then prove that k =6. Ques2) If a,b,c are three real numbers such that b+c-a , c+a-b , and a+b-c are positive, then th ...

can a high jumper clear a height even if his center of mass does not clear the height ? give reasons for your answer. ...

if x>0 and the fourth term in the expansoin of (1+3x/8)10 has maximum value ..then x lies in.......... ...

Ok here r a few ques i found quite tricky...well at least to me they were tricky..and hence i cud not solve them:)so pls do me a favour and solve them for me. 1)Solve |2x-1/x-1|>2 2)Solve |x/x-1|+|x|=x2/|x-1| 3)solve (x+3) ...

which is the best book for theory in physics. plz help ...

Find largest possible integer n such that [\frac{na^2b^2c^2}{a^2bc+ab^2c+abc^2}]\leq (a+b)^2+(a+b+4c)^2 for all real positive a,b,c ...