Question

If A2 +b2=34 and ab = 12 ; find : 3(a+b)2 + 5(a-b)2

Answer 1

Answer:

Step-by-step explanation:

3(a² + b² +2ab) + 5(a² + b² - 2ab)

Now putting the values

3(34+ 24) + 5(34- 24)

=3(58) + 5(10)

= 174+50

= 224

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