Advertisements
Advertisements
प्रश्न
If x = 2 and y = 3, then find the value of the following expressions
4y – x
Advertisements
उत्तर
Given: x = 2, y = 3
4y – x = 4(3) – 2
= 12 – 2
= 10
APPEARS IN
संबंधित प्रश्न
Factorize: a (a + b)3 - 3a2b (a + b)
Factorize `5sqrt5x^2 + 20x + 3sqrt5`
Given possible expressions for the length and breadth of the rectangle having 35y2 + 13y – 12 as its area.
What are the possible expressions for the dimensions of the cuboid whose volume is 3x2 - 12x.
Factorize the following expressions:
y3 +125
Factorize the following expressions:
x4y4 - xy
Find the value of the following expression: 81x2 + 16y2 − 72xy, when \[x = \frac{2}{3}\] and \[y = \frac{3}{4}\]
Simplify : \[\frac{1 . 2 \times 1 . 2 \times 1 . 2 - 0 . 2 \times 0 . 2 \times 0 . 2}{1 . 2 \times 1 . 2 + 1 . 2 \times 0 . 2 + 0 . 2 \times 0 . 2}\]
Write the value of \[\left( \frac{1}{2} \right)^3 + \left( \frac{1}{3} \right)^3 - \left( \frac{5}{6} \right)^3 .\]
The factors of x2 + 4y2 + 4y − 4xy − 2x − 8 are
Separate monomials, binomials, trinomials and polynomials from the following algebraic expressions :
8 − 3x, xy2, 3y2 − 5y + 8, 9x − 3x2 + 15x3 − 7,
3x × 5y, 3x ÷ 5y, 2y ÷ 7 + 3x − 7 and 4 − ax2 + bx + y
Evaluate: (3x - 1)(4x3 - 2x2 + 6x - 3)
Divide: - 50 + 40p by 10p
Divide: m2 − 2mn + n2 by m − n
Divide: 5x2 - 3x by x
Write in the form of an algebraic expression:
Surface area of a cube is six times the square of its edge.
The solution of the equation `"3x" - 1/2 = 5/2 + "x"` is ______.
Number of terms in the expression a2 + bc × d is ______.
In the formula, area of circle = πr2, the numerical constant of the expression πr2 is ______.
A triangle is made up of 2 red sticks and 1 blue sticks 
. The length of a red stick is given by r and that of a blue stick is given by b. Using this information, write an expression for the total length of sticks in the pattern given below:
