sum of two numbers is 9 and their product is 20 find the sum of their 1.square 2.cube
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cube
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Answered by
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Answer:
refer to the above attachment
verification
X = 4
Y = 5
there sum is = 9
X + y = 9
4 + 5 = 9
Their product = 20
XY = 20
5 × 4 = 20
sum.of their square =
(4)2 + (5)2
16 + 25
= 41
Sum of their cube =
(4)3 + (5)3
= 64 + 125
= 189
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