Question

2^1998-2^1997-2^1996+2^1995=k×2^1995. Find the value of k
(a) 1 (b)2. (c)3. (d)4

Answer 1

Given

${2}^{1998} - {2}^{1997} - {2}^{1996} + {2}^{1995} = k \times {2}^{1995} \\ {2}^{1995} (8 - 4 - 2+ 1) = {2}^{1995} \times k$

on dividing both side by 2^1995 we get :-

k = 3

option C

Answer 2

Answer:

Answer:value of k is option c which is 3