-
*Image* Ans given to q1 is {b} Explain the function of reactants also... ...
-
*Image* Ans given to q1 is {b} Explain the function of reactants also... ...
-
i have a basic doubt. Isnt order of a chemical reaction determined only experimentally ? i mean can we find order just by looking the balanced chemical eqn ? i think it can only be found out from the eqn for elementary reacti ...
-
*Image* I am really weak in chemistry ,so don't get upset abt the level of ques. ...
-
the heats of combustion of C2H4 , C2H6 AND H2 are -1400.5Kj,-1558.3kj and -286.5kj. the heat of hydrogenation of ethene is.. pleaz solve lucidly ...
-
*Image* I am really weak in chemistry ,so don't get upset abt the level of ques. ...
-
a+b+c=1 then prove (1+1/a)(1+1/b)(1+1/c) >= 64 ...
-
If a+b+c = 2, prove that 9abc+8 ≥ 8(ab+bc+ca) ...
-
If a+b+c = 2, prove that 9abc+8 ≥ 8(ab+bc+ca) ...
-
If a+b+c = 2, prove that 9abc+8 ≥ 8(ab+bc+ca) ...
-
Number of Proper factors of 75600 are ? ...
-
prove for all integral n, 2n >= 1 + n.2(n-1)/2 ...
-
prove for all integral n, 2n >= 1 + n.2(n-1)/2 ...
-
Suppose the complex number z satisfies the equation 11z^{10}+10iz^9+10iz-11=0 Prove that |z|=1 . ...
-
This will be torn apart, still it should help us recall some useful facts: Prove that: \sum_{cyc} \frac{(a+b)(a+c)}{(a-b)(a-c)} = 1 ...
-
Let k and n be positive integers and put Sk=Σnk (n varies from 1 to n. show that m+1C1S1+m+1C2S2...............+m+1CmSm=(n+1)m+1-(n+1) ...
-
a,b,c are positive reals such that abc=1 prove *Image* ...
-
a,b,c are positive reals such that abc=1 prove *Image* ...
-
Evaluate the following limit: \lim_{x\to+\infty}\left(\sqrt[n]{(x+2)(x+4)\cdots(x+2n)}-\sqrt[2n]{(x+1)(x+2)\cdots(x+2n)}\right) where n is a positive integer. ...
-
If φ(N) is the number of integers which are less than N and prime to it and if x is prime to N then show that xφ(N)-1≡0.mod(N) ...
-
If p and q are any two positive integers ,show that (pq)! is divisible by (p!)q.q! and by (q!)p.p! ...
-
If p and q are any two positive integers ,show that (pq)! is divisible by (p!)q.q! and by (q!)p.p! ...
-
show that n! < {(n+1)/2}^2 for n belonging to N ...
-
show that n! < {(n+1)/2}^2 for n belonging to N ...
-
show that n! < {(n+1)/2}^2 for n belonging to N ...
-
Find maximum value of 1/b+c +b/c+a +c/a+b for a,b,c≥0 ...
-
Find maximum value of 1/b+c +b/c+a +c/a+b for a,b,c≥0 ...
-
For any integer k>1, prove that there is exactly one power of 2 having exactly k digits with leading digit 1 (when written in decimal system). ...
-
If T_n = \frac{4^n n^2}{(n+1)(n+2)} Find Sn where S_n = \sum_{i=1}^n T_n ...
-
This one appeared in one of the Russian Olympiads. Find the final five digits of the number N = 999...9 that contains 1001 nines positioned as above. ...
