What should come in place of both x in the equation x = 162 . 128 x Options: A . &nbsp12 B . &nbsp14 C . &nbsp144 D . &nbsp196

Answer: Option A Let x = 162 128 x Then x 2 = 128 x 162 = 64 x 2 x 18 x 9 = 8 2 x 6 2 x 3 2 = 8 x 6 x 3 = 144. x = 144 = 12.

What should come in place of both x in the equationx=162.128x

Question

What should come in place of both x in the equation
x
=
162
.
128
x

Options:

A . 12

B . 14

C . 144

D . 196

Answer: Option A

Let
x
=
162
128
x

Then x² = 128 x 162

= 64 x 2 x 18 x 9

= 8² x 6² x 3²

= 8 x 6 x 3

= 144.

x = 144 = 12.

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