upretimanashraj upretimanashraj

11-08-2021
Mathematics

contestada

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

Respuesta :

onika92 onika92

11-08-2021

Step-by-step explanation:

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

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