Question

Let's find st and ( s²+t²) when s+t = 12 and s-t =8​

Answer 1

Answer:

St=24

S^2+t^2=104

Hope it will useful to u

Answer 2

Step-by-step explanation:

s+t = 12

s-t = 8

By Elimination Method We get

2s = 20

s = 10

Sub s in first eqn

10+t = 12

t = 12-10

t = 2

So st = 10×2 = 20

s²+t² = 10²+2² = 100+4 = 104.

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