Advertisements
Advertisements
Question
Simplify:
(ab – c)2 + 2abc
Simplify
Advertisements
Solution
We have,
(ab – c)2 + 2abc = (ab)2 + c2 – 2abc + 2abc ...[Using the identity, (a – b)2 = a2 + b2 – 2ab]
= a2b2 + c2
shaalaa.com
Is there an error in this question or solution?
Chapter 7: Algebraic Expression, Identities and Factorisation - Exercise [Page 231]
APPEARS IN
RELATED QUESTIONS
Simplify the following using the formula: (a − b)(a + b) = a2 − b2: 113 × 87
If 2x + 3y = 14 and 2x − 3y = 2, find the value of xy.
[Hint: Use (2x + 3y)2 − (2x − 3y)2 = 24xy]
Find the following product: (x − 11) (x + 4)
Find the following product: \[\left( x + \frac{1}{5} \right)(x + 5)\]
Evaluate the following: 35 × 37
Simplify:
(pq – qr)2 + 4pq2r
Expand the following, using suitable identities.
(x2 + y2)(x2 – y2)
Carry out the following division:
17ab2c3 ÷ (–abc2)
Perform the following division:
(ax3 – bx2 + cx) ÷ (– dx)
Perform the following division:
(– qrxy + pryz – rxyz) ÷ (– xyz)
