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प्रश्न
Get the algebraic expression in the following case using variables, constants and arithmetic operations.
One-half of the sum of numbers x and y.
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उत्तर
`1/2 (x + y)`
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संबंधित प्रश्न
Get the algebraic expression in the following case using variables, constants and arithmetic operations.
Number 5 added to three times the product of numbers m and n.
Factorize a2 + 4b2 - 4ab - 4c2
Factorize a3 – 3a2b + 3ab2 – b3 + 8
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: 9a4b - 15a3b2 + 12a2b3 by - 3a2b
The area of a rectangular field is 25x2 + 20xy + 3y2 square unit. If its length is 5x + 3y unit, find its breadth, Hence find its perimeter.
Divide: x5 - 15x4 - 10x2 by -5x2
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).
Give an algebraic equation for the following statement:
“The difference between the area and perimeter of a rectangle is 20”.
In the term 10xyz, what is the numerical coefficient?
