Question

1) Verify a-(-b)=a+b for the values of a and b a=1, b=18​

Answer 1

Answer:

a-(-b) = a+b

L.H.S

a-(-b)

substitute the values

1-(-18) = 1+18 = 19

R.H.S

a+b

substitute the values

1+18 = 19

therefore L.H.S = R.H.S

(i.e) a-(-b) = a+b

Hence Verified

Answer 2

Step-by-step explanation:

a-(-b) = a+b. [- × - = +]

if a= 1 , b= 18

a- (-b) = a+b

substitute the values

1 -(-18) = 1+18

1+18 = 1+18

19 = 19

LHS IS EQUAL TO RHS

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