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प्रश्न
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
49x2 – 36y2
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उत्तर
We have,
49x2 – 36y2 = (7x)2 – (6y)2
= (7x – 6y)(7x + 6y)
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संबंधित प्रश्न
The value of p for 512 – 492 = 100p is 2.
Multiply the following:
(a2 – b2), (a2 + b2)
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
x4 – 1
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
(a – b)2 – (b – c)2
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
(x + y)4 – (x – y)4
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
`x^2 - y^2/100`
Factorise the expression and divide them as directed:
(9x2 – 4) ÷ (3x + 2)
Factorise the expression and divide them as directed:
(x4 – 16) ÷ x3 + 2x2 + 4x + 8
Verify the following:
(p – q)(p2 + pq + q2) = p3 – q3
Verify the following:
(a2 – b2)(a2 + b2) + (b2 – c2)(b2 + c2) + (c2 – a2) + (c2 + a2) = 0
