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प्रश्न
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
योग
उत्तर
We have,
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अध्याय 7: Algebraic Expression, Identities and Factorisation - Exercise [पृष्ठ २३६]
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संबंधित प्रश्न
(7x + 3)(7x – 4) = 49x2 – 7x – 12
(a + b)(a – b) = a2 – b2
Using suitable identities, evaluate the following.
(35.4)2 – (14.6)2
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
16x4 – 625y4
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
8a3 – 2a
Factorise the expressions and divide them as directed:
(x4 – 16) ÷ x3 + 2x2 + 4x + 8
Verify the following:
(p – q)(p2 + pq + q2) = p3 – q3
Find the value of
