Advertisements
Advertisements
प्रश्न
The factors of x2 – 6x + 9 are
पर्याय
(x – 3)(x – 3)
(x – 3)(x + 3)
(x + 3)(x + 3)
(x – 6)(x + 9)
MCQ
Advertisements
उत्तर
(x – 3)(x – 3)
Explanation;
Hint: x2 – 6x + 9 = x2 – 2(x)(3) + 32
a2 – 2ab + b2 = (a – b)2 = (x – 3)2
= (x – 3)(x – 3)
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Expand: (5x - 4)2
Expand (5p – 1)2
Expand the following square, using suitable identities
(xyz – 1)2
Factorise the following using suitable identity
64x2 – 112xy + 49y2
(a – b)2 + ______ = a2 – b2
Factorise the following, using the identity a2 – 2ab + b2 = (a – b)2.
a2y2 – 2aby + b2
Factorise the following, using the identity a2 – 2ab + b2 = (a – b)2.
9x2 – 12x + 4
Factorise the following, using the identity a2 – 2ab + b2 = (a – b)2.
4y2 – 12y + 9
Factorise the following.
x2 – 17x + 60
If x – y = 13 and xy = 28, then find x2 + y2.
