Advertisements
Advertisements
प्रश्न
The value of 3x2 – 5x + 3 when x = 1 is ______.
विकल्प
1
0
–1
11
उत्तर
The value of 3x2 – 5x + 3 when x = 1 is 1.
Explanation:
From the question it is given that, value of x = 1
Substitute the value of x in the expression 3x2 – 5x + 3
= (3 × (1)2) – (5 × 1) + 3
= 3 – 5 + 3
= 6 – 5
= 1
APPEARS IN
संबंधित प्रश्न
Get the algebraic expression in the following case using variables, constants and arithmetic operations.
Product of numbers y and z subtracted from 10.
Factorize `x^2 - 2sqrt2x - 30`
Factorize the following expressions:
`8x^2y^3 - x^5`
Factorize a3 x3 - 3a2bx2 + 3ab2 x - b3
What must be added to the following expression to make it a whole square?
4x2 − 20x + 20
Write the value of 303 + 203 − 503.
The area of a rectangle is 6x2 – 4xy – 10y2 square unit and its length is 2x + 2y unit. Find its breadth.
Write in the form of an algebraic expression:
Perimeter (P) of a rectangle is two times the sum of its length (l) and its breadth (b).
Express the following as an algebraic expression:
Sum of p and 2r – s minus sum of a and 3n + 4x.
If x = 2 and y = 3, then find the value of the following expressions
x + 1 – y
