Advertisements
Advertisements
Question
Factorise the following expression.
a3 + a2 + a + 1
Sum
Solution
We have,
a3 + a2 + a + 1
= (a3 + a2) + (a + 1)
= a2(a + 1) + 1(a + 1)
= (a + 1)(a2 + 1)
shaalaa.com
Is there an error in this question or solution?
Chapter 7: Algebraic Expression, Identities and Factorisation - Exercise [Page 234]
APPEARS IN
RELATED QUESTIONS
Constant is only 8 other is variable 3p x q ÷ z
Constant is only 8 other is variable a3 – 3ab2 x c
Write the coefficient of: mn in -mn
For the following monomials, write its degree: xy2z
Write numerical co-efficient of the following: - y
Find the sum of: 11 and -by
An irreducible factor of 24x2y2 is ______.
The value of (a + b)2 + (a – b)2 is ______.
Factorised form of 18 mn + 10 mnp is ______.
Identify term which contain x and give the coefficient of x.
12xy2 + 25
