15. In method of factorisation of an algebraic expression. Which of the following statement is false ?
(a) Taking out a common factor from two or more terms.
(b) Taking out a common factor from a group of terms.
(c) By using remainder theorem.
(d) By using standard identities.
16. Factors of (a + b)3
- (a - b)3
is :
(a) 2ab(3a2
+ b2
) (b) ab(3a2
+ b2
) (c) 2b(3a2
+ b2
) (d) 3a2
+ b2
17. Degree of zero polynomial is :
(a) 0 (b) 1 (c) Both 0 & 1 (d)Not defined
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Answer:
15. (b) taking out a comman factor from a group. of terms .
16. (c) 2b(3a2 + b2)
17. (d) not defined
l hope these answers would help you
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