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प्रश्न
(a – 1)2 = a2 – 1
पर्याय
True
False
MCQ
चूक किंवा बरोबर
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उत्तर
(a – 1)2 = a2 – 1 - False
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या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 3: Algebra - Exercise 3.1 [पृष्ठ ६१]
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संबंधित प्रश्न
Factorise the following using suitable identity
x2 – 8x + 16
Using identity, find the value of (4.9)2
Simplify: (a + b)2 – (a – b)2
Using suitable identities, evaluate the following.
(9.9)2
Factorise the following, using the identity a2 – 2ab + b2 = (a – b)2.
x2 – 8x + 16
Factorise the following, using the identity a2 – 2ab + b2 = (a – b)2.
y2 – 14y + 49
Factorise the following, using the identity a2 – 2ab + b2 = (a – b)2.
4y2 – 12y + 9
If x – y = 13 and xy = 28, then find x2 + y2.
Verify the following:
(a – b)(a – b)(a – b) = a3 – 3a2b + 3ab2 – b3
Subtract b(b2 + b – 7) + 5 from 3b2 – 8 and find the value of expression obtained for b = – 3.
