Advertisements
Advertisements
प्रश्न
Find the value of 6m − 2n − 5p − 3q, when m = 20, n = 10, p = 2 and q = 9
योग
उत्तर
6m − 2n − 5p − 3q
= 6 × 20 − 2 × 10 − 5 × 2 − 3 × 9
= 120 − 20 − 10 − 27
= 120 − 57
= 63
shaalaa.com
Concept of Substitution
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Fill in the blank, when:
x = 3, y = 6, z = 18, a = 2, b = 8, c = 32 and d = 0.
y × d = .............
If a = 3, b = 0, c = 2 and d = 1, find the value of 6a − 3b − 4c − 2d
If x = 2, y = 5 and z = 4, find the value of the following:
`("x"^2"y"^"x")/"x"`
Evaluate:
(23 – 15) + 4
Simplify:
x + y − (x + `overline("y"-"x"))`
Simplify:
`"a"-(2"a"-overline(4"a"+3"a"))`
Simplify:
x − [y + {x − (y + x)}]
Simplify:
3x − [5y − {6y + 2 (10y − x)}]
If P = − 12x2 – 10xy + 5y2, Q = 7x2 + 6xy + 2y2, and R = 5x2 + 2xy + 4y2 ; find P + Q + R
If x = − 3, find the value of 2x3 + 8x2 – 15.
