Advertisements
Advertisements
प्रश्न
Using the identity (a + b)(a – b) = a2 – b2, find the following product
(p + 2)(p – 2)
Advertisements
उत्तर
(p + 2)(p – 2)
Substituting a = p, b = 2
In (a + b)(a – b) = a2 – b2, we get
(p + 2)(p – 2) = p2 – 22
APPEARS IN
संबंधित प्रश्न
The product of (x + 5) and (x – 5) is ____________
Using the identity (a + b)(a – b) = a2 – b2, find the following product
(6x + 7y)(6x – 7y)
If X = a2 – 1 and Y = 1 – b2, then find X + Y and factorize the same
a2 – b2 = (a + b) ______.
Using suitable identities, evaluate the following.
9.8 × 10.2
Using suitable identities, evaluate the following.
(132)2 – (68)2
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
49x2 – 36y2
Factorise the expression and divide them as directed:
(2x3 – 12x2 + 16x) ÷ (x – 2)(x – 4)
Verify the following:
(ab + bc)(ab – bc) + (bc + ca)(bc – ca) + (ca + ab)(ca – ab) = 0
Verify the following:
(p – q)(p2 + pq + q2) = p3 – q3
