Advertisements
Advertisements
प्रश्न
The product of (x + 5) and (x – 5) is ____________
उत्तर
The product of (x + 5) and (x – 5) is x2 – 25
APPEARS IN
संबंधित प्रश्न
Using the identity (a + b)(a – b) = a2 – b2, find the following product
(1 + 3b)(3b – 1)
Multiply the following:
(a2 – b2), (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).
4x2 – 25y2
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
`x^2/25 - 625`
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
`(4x^2)/9 - (9y^2)/16`
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
y4 – 81
Verify the following:
(a + b + c)(a2 + b2 + c2 – ab – bc – ca) = a3 + b3 + c3 – 3abc
Find the value of a, if 9a = 762 – 672
Find the value of a, if pqa = (3p + q)2 – (3p – q)2
