Question

. If x =( 5a^4) and a =( 2b^3), express x in terms of b.

Answer 1

x = 80 b^12

Explanation:

given as

x =(5a^4) ....1 and a =(2b^3) ......2

now if we put the value of a in eq 1, then we can write x in terms of b

therefore x= (5(2b^3)^4)

= (5(2^4×b^12))

= (5(16× b^12))

= 80 b^12