Question

find the value of x for which 2 by 5 raise to the power 4 into 2 by 5 raise to the power minus 7 equal to 2 by 5 raise to the power 2 X + 1​

Answer 1

Step-by-step explanation:

( 2/5) raised to the power 4 X (2/5) raised to the power -7 =

(2/5)raised to the power -2

i.e.

25/4 which is = 2X-1

2X=25/4+1

=29/4

X= (29/4)/2

=29/8