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प्रश्न
(a + b)(a – b) = a2 – b2
पर्याय
True
False
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उत्तर
This statement is True.
Explanation:
We know that,
(a + b)(a – b) = a × a – a × b + b × a – b × b
= a2 – b2
= a2 – ab + ba – b2
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संबंधित प्रश्न
(5 + 20)(–20 – 5) = ?
The value of p for 512 – 492 = 100p is 2.
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
28ay2 – 175ax2
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
`(x^3y)/9 - (xy^3)/16`
Factorise the expression and divide them as directed:
(x3 + x2 – 132x) ÷ x(x – 11)
Factorise the expression and divide them as directed:
(2x3 – 12x2 + 16x) ÷ (x – 2)(x – 4)
Factorise the expression and divide them as directed:
(x4 – 16) ÷ x3 + 2x2 + 4x + 8
Factorise the expression and divide them as directed:
(3x4 – 1875) ÷ (3x2 – 75)
Verify the following:
(a + b + c)(a2 + b2 + c2 – ab – bc – ca) = a3 + b3 + c3 – 3abc
Find the value of a, if pqa = (3p + q)2 – (3p – q)2
