a2 mean aSquare a2+b2=41 and ab=4 find the value of 1) a+b 2)a-b
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Given,
a² + b² = 41
ab = 4
Now,
(a+b)² = a² + 2ab + b²
(a+b)² = a² + b² +2ab
(a+b)² = 41 + 8
a+b = √ 49
a + b = 7
And again,
(a-b)² = a² - 2ab + b²
(a-b)² = a² + b² - 2ab
(a-b)² = 41 - 8
a-b = √33
Hope it may help you !!!!!
Pls mark as brainlest !!!!
a² + b² = 41
ab = 4
Now,
(a+b)² = a² + 2ab + b²
(a+b)² = a² + b² +2ab
(a+b)² = 41 + 8
a+b = √ 49
a + b = 7
And again,
(a-b)² = a² - 2ab + b²
(a-b)² = a² + b² - 2ab
(a-b)² = 41 - 8
a-b = √33
Hope it may help you !!!!!
Pls mark as brainlest !!!!
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