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If l, m, n denote the side of a pedal tr...

If l, m, n denote the side of a pedal triangle, then `(l)/(a ^(2))+(m)/(b^(2))+(n)/(c ^(2))` is equal to

A

(a)`(a^(2) +b^(2)+c^(2))/(a ^(3)+b ^(3) +c^(2))`

B

(b)`(a^(2)+b ^(2)+c^(2))/(2abc)`

C

(c)`(a^(3)+ b ^(3)+ c^(3))/(abc(a+b+c))`

D

(d)`1/a+1/b+1/c`

Text Solution

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The correct Answer is:
B
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ARIHANT MATHS-PROPERTIES AND SOLUTION OF TRIANGLES -Exercise (Questions Asked In Previous 13 Years Exam)
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