Advertisements
Advertisements
प्रश्न
Factorise the following expression.
`"p"^2-1/25`
Advertisements
उत्तर
`"p"^2 - 1/25`
Let us recognize it as the difference of the squares of a and b.
a = p2
b = `(1/5)^2 = 1/25`
a2 − b2 = (a + b) (a − b)
∴ `(p)^2-(1/5)^2` = `(p + 1/5)(p - 1/5)`
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:
9a(6a − 5b) −12a2(6a − 5b)
Factorize each of the following expressions:
qr − pr + qs − ps
Factorize each of the following algebraic expression:
x2 + 2x + 1 − 9y2
Factorize each of the following algebraic expression:
4x4 + y4
Factorize each of the following algebraic expression:
40 + 3x − x2
Factorise the following expression.
`9"x"^2-1/16"y"^2`
Factorise the following expression.
`1/2y^2-8z^2`
The value of m in the equation 8m = 56 is ________
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 |
