Advertisements
Advertisements
प्रश्न
1032 – 1022 = ______ × (103 – 102) = ______.
रिकाम्या जागा भरा
Advertisements
उत्तर
1032 – 1022 = (103 + 102) × (103 – 102) = 205.
Explanation:
We have,
1032 – 1022 = (103 + 102)(103 – 102) ...[∵ a2 – b2 = (a + b)(a – b)]
= 205 × 1
= 205
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Factorise the following expressions
y2 – 10y + 25
Expand the following square, using suitable identities
(xyz – 1)2
Show that (m – n)2 + (m + n)2 = 2(m2 + n2)
(a – b) ______ = a2 – 2ab + b2
Factorise the following, using the identity a2 – 2ab + b2 = (a – b)2.
x2 – 10x + 25
Factorise the following, using the identity a2 – 2ab + b2 = (a – b)2.
p2 – 2p + 1
Factorise the following, using the identity a2 – 2ab + b2 = (a – b)2.
4y2 – 12y + 9
Factorise the following.
y2 + 4y – 21
Factorise the following.
p2 – 13p – 30
If m – n = 16 and m2 + n2 = 400, then find mn.
