The value of `x` for which `(1)/(6!)+(1)/(7!)=(x)/(8!)` is

If 1/(6!)+1/(7!)=x/(8!), find x

Find the value of x for which (8x+4),\ (6x-2) and (2x+7) are in A.P.

If Delta_(1) = |(7,x,2),(-5,x +1,3),(4,x,7)| and Delta_(2) = |(x,2,7),(x +1,3,-5),(x,7,4)| , then the value of x for which Delta_(1) + Delta_(2) = 0 , is

Find \ x in each of the following: 1/(6!)+1/(7!)=x/(8!)

The value of lim_(xrarroo) (5^(x+1)-7^(x+1))/(5^x-7^x) ,is

If the middle term in the expansion of (1/x+xsinx)^(10) is equal to 7 7/8 , then the value of x is (i) 2npi+(pi)/6 (ii) npi+(pi)/6 (iii) npi+(-1)^(n)(pi)/6 (iv) npi+(-1)^(n)(pi)/3

For xgeq0 , the smallest value of the function f(x)=(4x^2+8x+13)/(6(1+x)), is

For xge 0 , the smallest value of the function f(x)=(4x^2+8x+13)/(6(1+x)) , is ________.

Let f(x)=3x^(2)-7x+c,x>(7)/(6) ,The value of c such that f(x) touches f^(-1)(x) is (5k+1)/(k) where k=

If x^(2) + (1)/(x^(2))= 7 and x ne 0 , find the value of : 7x^(3) + 8x- (7)/(x^(3))- (8)/(x)