Advertisements
Advertisements
प्रश्न
When y = –1, the value of the expression 2y – 1 is 3
विकल्प
True
False
Advertisements
उत्तर
When y = –1, the value of the expression 2y – 1 is 3 - False
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 + 6sqrt2x + 10`
Factorize `9(2a - b)^2 - 4(2a - b) - 13`
Factorize the following expressions:
p3 + 27
Factorize the following expressions:
y3 +125
Factorize the following expressions:
( x + 2)3 + ( x - 2)3
Factorize the following expressions:
8a3 - b3 - 4ax + 2bx
Simplify `(155 xx 155 xx 155 - 55 xx 55 xx 55)/(155 xx 155 + 155 xx 55 + 55 xx 55)`
8x3 -125y3 +180xy + 216
Multiply: x2 + 4y2 + 2xy − 3x + 6y + 9 by x − 2y + 3
Write the value of 303 + 203 − 503.
Evaluate: (c + 5)(c - 3)
Evaluate: (8 - 12x + 7x2 - 6x3)(5 - 2x)
Multiply: (2x - 3y)(2x - 3y)
Divide: 4x3 - 2x2 by - x
Divide:
n2 − 2n + 1 by n − 1
Divide: 5x2 - 3x by x
Find the average (A) of four quantities p, q, r and s. If A = 6, p = 3, q = 5 and r = 7; find the value of s.
Write the variables, constant and terms of the following expression
18 + x – y
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:

