Question

 r(y) = y30 + 1 . solve

Answer 1

Heya..

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HERE IS YOUR SOLUTION..

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r × y = y × 30 + 1 ( y and y will cancel each other )

=====》 r = 30 + 1

and r = 31

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HOPE IT HELPED..

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:)

Answer 2

r(y) = y30 + 1
r (y) = 30y + 1 = 0
y = -1/30