factorise the problem in the pic
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Given :
( 7ⁿ⁺² - 3.7ⁿ⁺¹ ) / ( 20.7ⁿ - 2.7ⁿ )
= > ( 7ⁿ.7² - 3.7ⁿ.7 ) / ( 7ⁿ ( 20 - 2 ) )
= > ( 7ⁿ ( 7² - 3.7 ) ) / 7ⁿ.18
= > ( 7ⁿ ( 49 - 21 ) ) / 7ⁿ.18
= > 18/18
= > 1
The answer will be 1.
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