Advertisements
Advertisements
प्रश्न
Write in the form of an algebraic expression:
Surface area of a cube is six times the square of its edge.
Advertisements
उत्तर
Let S be the surface area and a be the edges of the cube.
S = 6a2
APPEARS IN
संबंधित प्रश्न
Factorize `x^2 + 2sqrt3x - 24`
Factorize the following expressions
8x3 y3 + 27a3
Factorize the following expressions:
1029 – 3x3
Factorize the following expressions:
x3 + 6x2 +12x +16
Factorize the following expressions:
`a^3 - 1/a^3 - 2a + 2/a`
8x3 -125y3 +180xy + 216
If x − y = 7 and xy = 9, find the value of x2 + y2
What must be added to the following expression to make it a whole square?
4x2 − 12x + 7
Find the value of x3 + y3 − 12xy + 64, when x + y =−4
Factorize : x2 − 1 − 2a − a2
Evaluate: (c + 5)(c - 3)
Multiply: (1 + 6x2 - 4x3)(-1 + 3x - 3x2)
Divide:
n2 − 2n + 1 by n − 1
Divide: 15x2 + 31xy + 14y2 by 5x + 7y
Divide: 5x2 - 3x by x
Solve the following equation.
4(x + 12) = 8
An equation is true for all values of its variables.
–b – 0 is equal to ______.
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 |
