Advertisements
Advertisements
प्रश्न
Simplify:
`5{"a"^2-"a"("a"-overline("a"-2))}`
बेरीज
उत्तर
`5{"a"^2-"a"("a"-overline("a"-2))}`
= 5 {a2 − a (a − a + 2)}
= 5 {a2 − a2 + a2 − 2a}
= 5a2 − 5a2 + 5a2 − 10a
= 5a2 − 10a
shaalaa.com
Concept of Substitution
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Find the value of p + 2q + 3r, when p = 1, q = 5 and r = 2
Find the value of 3a − 2b, when a = 8 and b = 10
Find the value of 2p − 3q + 4r − 8s, when p = 10, q = 8, r = 6, and s = 2
Find the value of 4pq × 2r, when p = 5, q = 3 and r = 1/2
Find the value of 5x2 – 3x + 2, when x = 2.
Simplify:
3x + (8x − 5x) − (7x − x)
Simplify:
3x − [5y − {6y + 2 (10y − x)}]
Insert the bracket as indicated:
2x − y + 2z = 2z − (....................)
If x = 3, y = 2 and z = 1; find the value of xy
Multiply and then evaluate:
(x – 2y + z) and (x – 3z); when x = − 2, y = − 1 and z = 1.
