Advertisements
Advertisements
प्रश्न
Factorise the following expression.
`"x"^2-1/"x"^2`
उत्तर
`"x"^2-1/"x"^2`
= `("x")^2-(1/"x")^2`
= `("x"+1/"x")("x"-1/"x")` ...[∵ a2 − b2 = (a + b) (a − b)]
संबंधित प्रश्न
Find the greatest common factor of the terms in each of the following expression:
2xyz + 3x2y + 4y2
Find the greatest common factor of the terms in each of the following expression:
3a2b2 + 4b2c2 + 12a2b2c2
Factorize each of the following expressions:
qr − pr + qs − ps
Factorize each of the following algebraic expression:
x2 + 2x + 1 − 9y2
Factorize the following algebraic expression:
(x + 2)2 − 6(x + 2) + 9
Factorize each of the following algebraic expression:
a2 − 14a − 51
Factorize each of the following algebraic expression:
y2 + 5y − 36
Factorise the following expression and write in the product form.
24a2b2
Factorise the following expressions and write them in the product form.
5t2
Match the following :
| Column A | Column B |
| (a) `x/2` = 10 | (i) x = 4 |
| (b) 20 = 6x − 4 | (ii) x = 1 |
| (c) 2x − 5 = 3 − x | (iii) x = 20 |
| (d) 7x − 4 − 8x = 20 | (iv) x = `8/3` |
| (e) `4/11 - x = (-7)/11` | (v) x = −24 |
