Question

sum of two numbers is equal to 10 . if the sum their reciprocal is 5/8 .find the numbers
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Answer 1

Answer:

Refer to the attachment.

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Answer 2

HELLO

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LET FIRST NO BE X AND SECOND BE Y

ACCORDING TO 1ST CONDITION

X+Y = 10...

X=10-Y ...(1)

ACCORDING TO 2ND CONDITION

1/X+1/ Y =5/8

LET X= 10-Y

1/10-Y+1/Y=5/8

10-Y+Y/Y(10-Y) = 5/8

10/10Y-Y²=5/8

80= 50Y-Y²

Y²-50Y+80=0

SOLVE AFTER BY FACTORIZATION METHOD

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