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If a²-b²=21 and a²+b²=29, which of the following could be the value of ab? 1. -10 2. 5√2 3. 10

If a²-b²=21 and a²+b²=29, which of the following could be the value of ab? 1. -10 2. 5√2 3. 10
asked 192k views
2 votes
If a²-b²=21 and a²+b²=29, which of the following could be the value of ab?

1. -10
2. 5√2
3. 10

asked
User Rabudde
by
8.0k points

1 Answer

2 votes

Answer:

ab = 10 or -10

Explanation:

........

.

If a²-b²=21 and a²+b²=29, which of the following could be the value of ab? 1. -10 2. 5√2 3. 10-example-1
answered
User Action Jackson
by
7.7k points
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