Question

Solve 7^(1+x) + 7^(1-x) =50

Answer 1

Answer:

1 is the answer because 7*7-50=1

Answer 2

Step-by-step explanation:

7^(1+x)+7^(1-x)=50

7^(1+x)+7^(1-x)=49+1=7^2+7^0

equating powers

1+x=2

x=1.

(or)

1-x=0

x=1

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