Question

if a square + b square is equals to 9 and a b is equals to 4 find the value of ​

Answer 1

Answer:

49

Step-by-step explanation:

• a² + b² = 9 (gn)

• ab = 4 (gn)

• Identity = ( a + b )² = ( a )² + 2ab + ( b )²

                       ( a - b )² = ( a )² - 2ab + ( b )²

3 (a+b)²-2(a-b)²

= 3 ( 9 + 4 × 2 ) -2 ( 9 - 4 × 2 )

= 3 × 17 - 2

According to BODMAS Rule,

51 - 2

= 49

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Answer 2

Answer:

Here is the answer

Step-by-step explanation:

FIRST :find the values

SECOND:after finding the values

put it on equation an solve it at last you find the answer of the question