Question

the value of 61²_59² is a) 120 b)240 c) 360 d) none if these​

Answer 1

the value of 61²-59² is

d) none if these

61²-59²=(61+51)(62-59)

=120-2

=118

Answer 2

Answer:

d) none of these

Step-by-step explanation:

a² - b² = (a+b)(a-b)  

61²-59² = (61+59)(61-59)

            = 120 - 2

            = 118 (Ans)