Question

3^k = 7 then 3^2k+1= A. 49 B. 147 C. 21 D. 157

Answer 1

Answer:

B) 147.

given,

3^k = 7 .....( 1)

so,

3^2k +1

= 3^2k × 3¹

= (3^k)² × 3

= 7 ² * 3 ... using equation 1

= 49 * 3

= 147

I hope it will help you

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Answer 2

Answer:

Answer is 147

Step-by-step explanation:

3^k = 7

3^2k+1 = 3^2k x 3^1

= (3^k)^2 x 3

= (7)^2 x 3

= 49 x 3

= 147

The answer is 147