Question

IF A =
3
and À + KA +81=0
then ke ?
1
a) 3
b) z
c) 5
d) - 5​

Answer 1

Given :- A = 3

To Find :- Value of 'K' from the equation " A + KA + 81 = 0"

Solution :- After Putting " A = 3 " in the given Equation we get,

3 + 3K + 81 = 0

3K = - 81-3

3K = - 84

K = -84/3

K = -28

Therefore , K = -28.