Question

ABC is a right triangle right angled triangle at C.IF BC=a,CA=b,AB=cand p be the length of perpendicular from c to 'AB'then​

Answer 1

Answer:

The correct answer of this question is

(A)

$1 \div {p }^{2} = 1 \div {a}^{2} + 1 \div {b}^{2}$

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