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The equation of two equal sides of an is...

The equation of two equal sides of an isosceles triangle are 7x - y + 3 = 0 and x + y - 3 = 0 and its third side is passes through the point (1, - 10). The equation of the third side is

A

x - 3y - 31 = 0 but not 3x + y + 7 = 0

B

neither 3x + y + 7 = 0 nor x - 3y - 31 = 0

C

3 x + y + 7 = 0 or x - 3y - 31 = 0

D

3x + y + 7 = 0 but not x - 3y - 31 = 0

Text Solution

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The correct Answer is:
C
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