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Q.The pair of lines ax2+2hxy+by2=0ax^2 + 2hxy + by^2 = 0 and the pair a′x2+2h′xy+b′y2=0a'x^2 + 2h'xy + b'y^2 = 0 are equally inclined if

a
a+b=a′+b′a + b = a' + b'
b
a−b=a′−b′a - b = a' - b'
c
h=h′h = h'
d
ab=a′b′a b = a' b'

Correct Answer: Option A

The correct solution involves applying the fundamental concept to derive the final value step by step...

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