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amigo
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What is the product of the possible values of B ? 26 Jun 2017, 11:11
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What is the product of the possible values of B ? 26 Jun 2017, 11:23
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Attachment:
FullSizeRender (4).jpg
FullSizeRender (4).jpg [ 68.17 KiB | Viewed 1665 times ]

Ans:A
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amigo
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What is the product of the possible values of B ? 26 Jun 2017, 11:25
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Thank u @ Leo8

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What is the product of the possible values of B ? 26 Jun 2017, 11:38
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amigo


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Hi amigo
Can you please do not post screenshots but type them in instead (rule 6: https://gmatclub.com/forum/rules-for-po ... 33935.html)?

Thank you.
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Paulli1982
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What is the product of the possible values of B ? 26 Jun 2017, 21:20
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My calculation says C?!


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Paulli1982
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What is the product of the possible values of B ? 26 Jun 2017, 21:24
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Shouldn't b1=4/7 or -4/7; and b2=sqr7/2 or -sqr7/2? Multiplying all these four gives the answer C.


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darshans
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What is the product of the possible values of B ? 27 Jun 2017, 08:59
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It should be 4/7. When taking square root for finding values of b, we must consider both +ve and -ve values so final calculation will lead to choice C


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Paulli1982
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What is the product of the possible values of B ? 27 Jun 2017, 19:34
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Thanks darshans


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