RNashmi15 RNashmi15

12-12-2021
Mathematics

contestada

use the result (a+b)²=a²+2ab+b² to find the value of 49²+98+1

pls help me
I will give brainliest

Respuesta :

obinnafavour66 obinnafavour66

12-12-2021

Answer:

2500

Step-by-step explanation:

a² + 2ab + b²

49² + 98 + 1

Comparing terms

a²= 49²

a= 49

2ab = 98

2× 49 × b = 98

98b = 98

b= 98/98

b = 1

or

b²= 1

b=√1

b= 1

a=49 and b= 1

Hence (a+b)²= (49+1)²

50²= 2500

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