If sum of two no is 21 and sum of their square is 256 find the number i.e x+y=21 x²+y²=261 find value of x and y

asked Jan 2, 2022 54.4k views

1 vote

If sum of two no is 21 and sum of their square is 256 find the number

i.e x+y=21
x²+y²=261
find value of x and y

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2 votes

Explanation:

you're going to solve for y in the first equation and then substitute it in for the second equation and solve.

Wizawu answered Jan 8, 2022

5.1k points

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