Question

) If a-b=10, ab=5, find the value of a2+b2.​

Answer 1

Answer:

10

Step-by-step explanation:

The answer is in the attached picture

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Answer 2

$\huge{⭐}{\underline{\mathtt{\red{A}\orange{N}\pink{S}\blue{W}\purple{E}\green{R}}}}\huge{⭐}$

$\huge\mathtt\pink{Given:-}$

a - b = 10 , ab = 5

$\huge\mathtt\green{To\:Find:-}$

Value of

${a}^{2} + {b}^{2}$

$\huge\mathtt\blue{Solution:-}$

${a}^{2} + {b}^{2} = {a}^{2} + {b}^{2} - 2ab + 2ab \\ {{(a} - {b} )}^{2} + 2ab .....(1)\\ \: put \: the \: value \: of \: a - b = 10\: \\ and \: ab = 5\: = \: in \:..... (1) \\ = {(10)}^{2} + 2(5) \\ = 100 + 10$

${a}^{2} +{b}^{2} = 10$

$\orange{\mid{\fbox{\tt{Hope it's helpful ♡♡}}\mid}}$