Advertisements
Advertisements
प्रश्न
Factorise the following expression.
y2 − 4
Advertisements
उत्तर
y2 − 4
Let us identify a and b as the difference of squares.
a = y2
b = 22 = 4
= (y)2 − (2)2
a2 − b2 = (a + b) (a − b)
(y)2 − (2)2 = (y + 2) (y − 2)
संबंधित प्रश्न
Find the greatest common factor of the terms in each of the following expression:
5a4 + 10a3 − 15a2
Factorize each of the following algebraic expressions:
2r(y − x) + s(x − y)
Factorize each of the following algebraic expressions:
(x − y)2 + (x − y)
Factorize each of the following algebraic expressions:
a(x − y) + 2b(y − x) + c(x − y)2
Factorize each of the following algebraic expression:
9a4 − 24a2b2 + 16b4 − 256
Factorize each of the following algebraic expression:
4x4 + 1
Factorize each of the following algebraic expression:
49 − a2 + 8ab − 16b2
Factorize each of the following algebraic expression:
49 − x2 − y2 + 2xy
Factorise the following expression.
p2 − q2
The value of m in the equation 8m = 56 is ________
