Question

solve for a, 8*2^2a+4*2^a+1=1+2^a​

Answer 1

Answer:

We have,

4×211a×2−2a83a×25×22a

⇒22×211a−2a(23)3a×25×22a

⇒22×29a29a×25+2a

⇒29a+225+2a+9a

⇒29a+225+11a

⇒25+11a−9a−2

⇒22a+3

⇒22a×23

⇒8×22a

Hence, this is the answer.