Math, asked by zonaikhan8082, 4 months ago

From the formula B=2a² - b² , calculate the value of B when a=3 and b = -1

Answers

Answered by vaishalisagar1020

1

Answer:

17

Step-by-step explanation:

B=2*3²-(-1)²

B=2*9-1

B=18-1

B=17

Answered by Itzhotcutiepie

1

Answer:

the first answer is right

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