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

8.2k points

Please log in or register to add a comment.

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

7.9k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers