Question

if a+b = 3and ab =2 find yhe value of a^2 + b^2 and a^2- b ^2​

Answer 1

Answer:

a2

Step-by-step explanation:

a3+a1=a2

(x

Answer 2

Answer:

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Step-by-step explanation:

Heya...!!!

Given that:-

a + b = 3 , & ab = 2

NOW,

we know that:-

(a + b)² = a² + b² + 2ab

Now,

(a + b) = 3

[ On SQUARING both side]

(a + b )² = 3²

a² + b² + 2ab = 9

=> a² + b² + 2×2 = 9

=> a² + b² = 9 - 4

=> (a² + b²) = 5

I HOPE ITS HELP YOU