Question

If a+b =14 and ab=20. Find the value for a sq + b sq

Answer 1

⭐⭐⭐⭐⭐ ANSWER ⭐⭐⭐⭐⭐

Given, a+b = 14

Also, ab = 20 (Given)

Now, Squaring both sides of first expression, we get :

(a+b)² = (14)²

=> a²+b²+2ab = 196

=> a²+b² = 196-2(20)

=> a²+b² = 196-40

=> a²+b² = 156 [Ans.]

⭐⭐⭐ ALWAYS BE BRAINLY ⭐⭐⭐

Answer 2

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