Question

If a+b=7 and ab = 4, find the value of a2+b2 ??

no
18 year
class 12 ​

Answer 1

Answer:

⇒ (a² + b²) = (7)² - 2(4). ⇒ (a² + b²) = 49 - 8.

Explanation:

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Answer 2

Explanation:

What is Digestion ?

Explain with a diagram.