Solve 1st question immediately â ‹Q1 If 4(4x )7 = 462 , then the value of x is - Maths - Exponents and Powers

Question

Solve 1st question immediately

â€‹Q1 If 4(4x )7 = 4 6 2 , then the
value of x is
(A) 5 (B) 64

Shruti Tyagi · Accepted Answer

Dear Student,

4×4x7=462⇒4×47×x7=462using xa×xb=xa+b⇒47+1×x7=462⇒48×x7=436⇒x7=43648⇒x7=436-8⇒x7=428⇒x=42817⇒x=428×17⇒x=44therefore x=4×4×4×4=256
Hence answer is x=256
which is not there in the two options

Kindly recheck the options again

Regards,

Solve 1st question immediately ​Q1. If 4(4x )7 = 4 6 2 , then the value of x is (A) 5 (B) 64

Solve 1st question immediately

Q1. If 4(4x )⁷ = $4^{6^{2}}$ , then the value of x is
(A) 5 (B) 64