Advertisements
Advertisements
प्रश्न
Divide: 8a2 + 4a - 60 by 2a - 5
Advertisements
उत्तर
8a2 + 4a - 60 by 2a - 5
4a + 12
`"2a" - 5)overline("8a"^2 + 4"a" - 60)(`
8a2 - 20a
- +
24a - 60
24a - 60
- +
xxx
= 4a + 12
APPEARS IN
संबंधित प्रश्न
Factorize the following expressions:
a12 + b12
Simplify `(173 xx 173 xx 173 xx 127 xx 127 xx 127)/(173 xx 173 xx 173 xx 127 xx 127 xx 127)`
125 + 8x3 - 27 y3 + 90xy
`3sqrt3a^3 - b^3 - 5sqrt5c^3 - 3sqrt15abc`
Evaluate:
(i) (a + b)(a - b)
(ii) (a2 + b2)(a + b)(a - b); using the result of (i).
(iii) (a4 + b4)(a2 + b2)(a + b)(a - b); using the result of (ii).
Divide: 4a2 + 4a + 1 by 2a + 1
Write in the form of an algebraic expression:
Surface area of a cube is six times the square of its edge.
In a polynomial, the exponents of the variables are always ______.
Shashi used addition to solve a word problem about the weekly cost of commuting by toll tax for ₹ 15 each day. Ravi solved the same problem by multiplying. They both got the correct answer. How is this possible?
Match Column I with Column II in the following:
| Column I | Column II |
| 1. The difference of 3 and a number squared | (a) 4 – 2x |
| 2. 5 less than twice a number squared | (b) n2 – 3 |
| 3. Five minus twice the square of a number | (c) 2n2 – 5 |
| 4. Four minus a number multiplied by 2 | (d) 5 – 2n2 |
| 5. Seven times the sum of a number and 1 | (e) 3 – n2 |
| 6. A number squared plus 6 | (f) 2(n + 6) |
| 7. 2 times the sum of a number and 6 | (g) 7(n + 1) |
| 8. Three less than the square of a number | (h) n2 + 6 |
