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venky

· started a discussion

· 1 Months ago

can someone explain (Question: 286888.0 )

can anyone explain me how 4th line is deduced from 3rd line

Question:

If the equation   1a+b+x=1a+1b+1x    has two roots α and β find the value of α2+ β2= ?

Options:
A)

(a + b)2

B)

a2 + b2

C)

(a – b)2

D)

4ab

Solution:

Ans: (b)

  

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