Question

(22): 470362-3):12+0] find walue of​

Answer 1

Answer:

fix;6_7;:_;-"°™××${©6&358557

Explanation:

86*9-6uiwhdnb,hJhwbd

Answer 2

Answer:

Since, a and b will be consecutive numbers and a<b⟹ difference will be −1

∴(a

2

−b

2

)=−(a+b)

∴ Value of the expression

1

2

−2

2

+3

2

−4

2

+.....+99

2

−100

2

=−(1+2+3+4+5−−−−−−−−−−−−−100)

Sum of n consecutive numbers =n(n+1)/2

Then, we have

1

2

−2

2

+3

2

−4

2

+.....+99

2

−100

2

=−(

2

100(101)

)=−5050

Explanation:

Here, using the formula

a

2

−b

2

=(a+b)∗(a−b)

HOPE IT HELP YOU!