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nCr Definitions and Properties

If a-b=3and b...

Question

If a-b=3and b- c =5 then find the value of a square +b square + c square -ab-bc-ca

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Q. Find the square of

(\frac{a}{b c} + \frac{b}{c a} + \frac{c}{a b})

a (b - c) x^{2} + b (c - a) x y + c (a - b) y^{2}

is a perfect square, then

a, b, c

a (b - c) x^{2} + b (c - a) x + c (a - b)

is a perfect square, then

a, b, c

Q. Show that the expression

x^{2} + 2 (a + b + c) x + 3 (b c + c a + a b)

will be a perfect square if

a = b = c .

a (b - c) x^{2} + b (c - a) x y + c (a - b) y^{2}

is a perfect square, then the quantities

a, b, c

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nCr Definitions and Properties

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