Q 40 Solve the following equations : (i) 32x+1-2x+2+5=0 - Maths - Indices and Logarithms

Question

Q 40 Solve the following equations :
(i) 3 2 x + 1 - 2 x + 2 + 5 = 0

Varun Rawat · Accepted Answer

32x + 1 - 2x+2 + 5 = 0⇒3
2x + 3 - 2x 
 22 + 5 = 0⇒3 
 2x - 4 
 2x + 8 = 0⇒3y - 4y + 8 =0    Take 2x = y⇒y = 8⇒2x = 23⇒x = 3

Q.40. Solve the following equations : (i) 3 2 x + 1 - 2 x + 2 + 5 = 0