If a equals to 2 , b equal to 1 then a2-b equals

1.	If a equals to 2 , b equal to 1 then a2-b equals
Answer» ✮ Question : If a = 2 , b = 1 then a² - b equals ✮ Given : a = 2 , b = 1 ✮ To FIND : a² - b ✮ ANSWER : 3 ____________________________________________ ✮ Explanation : a² - b SUBSTITUTE the value of a ⇒ (2)² - b ⇒ 4 - b Substitute the value of b ⇒ 4 - 1 ⇒ 3

Answer»

✮ Question : If a = 2 , b = 1 then a² - b equals

✮ Given : a = 2 , b = 1

✮ To FIND : a² - b

✮ ANSWER : 3

____________________________________________

✮ Explanation :

a² - b

SUBSTITUTE the value of a

⇒ (2)² - b

⇒ 4 - b

Substitute the value of b

⇒ 4 - 1

⇒ 3

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