Math, asked by sistashorts, 1 day ago

Find using identity: 992​

Answers

Answered by hcsahu27
0

99

2

=(100−1)

2

using (a−b)

2

=a

2

+b

2

−2ab

where a=100,b=1

=100

2

+1

2

−2×100×1

=10000+1−200=9801

Step-by-step explanation:

99

2

=(100−1)

2

using (a−b)

2

=a

2

+b

2

−2ab

where a=100,b=1

=100

2

+1

2

−2×100×1

=10000+1−200=9801

Answered by Mysteryboy01
0

 = 992

 = (1000 - 8)

  (a - b) ^{2}  =  {a}^{2}  +  {b}^{2}  - 2ab

 = ( {1000)}^{2}  + (  { 8)}^{2} - 2 \times 1000 \times   8

 = 1,000,000  + 64 - 16,000

 = 1,000,064 - 16,000

 = 9,84,064

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