Question

Find the value of x if
⅔)^-3 x (3/2)^2x+2 = (3/2)^1 x (3/2)^3x-21​

Answer 1

Answer:

Correct option is

A

1

x

3

+2x

2

−3x+21 if x=1+2i

(x−1)

2

=(2i)

2

x

2

−2x+1=−4

x

2

−2x+5=0

∴x

3

+2x

2

−3x+21

=x(x

2

−2x+5)+4x

2

−8x+21

=0+4x

2

−8x+21

=4(x

2

−2x+5)+1

=0+1

=1

Value is 1.

Step-by-step explanation:

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