Algebraic Identities
Trending Questions
Q. (a−b)2 + 4ab =
- a2+b2
- (a+b)2
- a2−b2
- a2−b2+4ab
Q. If each side of a square of side 'a', is doubled, the new area is .
- a2
- a4
- 4a2
- 4a4
Q. Which of the following regions represents 3x?
Q. (4pq+3q)2−(4pq−3q)2 =
- 44pq2
- 48p2q
- 48pq2
- 44p2q
Q. Using the identities of algebric expressions, the value of (4.9)2 is .
- 24.01
- 25
- 23.6
- 24.25
Q. (2y+5)(2y+5) =
- 4y2+10y+25
- 4y2+20y+25
- 4y2+20y+15
- y2+20y+25
Q. Using standard identity, solve:
1010×990 = .
1010×990 =
- 999900
- 100000
- 990000
- 119900
Q. (a2 + b2) × (−a2 + b2) =
- −a4+b4
- a2−b2
- a4−b4
- b4+a4
Q. (3pq+3qr)2−18pq2r = .
- 9pq2+9qr2−18p
- 9p2q+9pr2−9pq
- 9p2q2+9q2r2
- 9p2q2+9qr2+9p
Q. If x2 + y2 = 14 and xy=3, the value of
2(x+y)2 - 5(x−y)2 is
2(x+y)2 - 5(x−y)2 is
- \N
- 52
- 106
- 14