if A and B are the roots of equation X square minus x + 1 = 20 then what is a square + b square
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Answer: (A + B)^2 = 160000
Step-by-step explanation:
ATQ : X – x + 1 = √A + B
=> x–x +1 = 20
=> √A+B = 20
=> A+B = 20^2
=> A+B = 400
=> A^2 + B^2 = 400^2
=>(A + B)^2 = 160000
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