Question
Download Solution PDFFor what possible value of x are the numbers - 2/7, x, - 7/2 are in a GP ?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFCONCEPT:
If a, b and c are in a GP then b2 = ac
CALCULATION:
Given: The numbers - 2/7, x, - 7/2 are in GP
As we know that, if a, b and c are in GP then b2 = ac
Here, a = - 2/7, b = x and c = - 7/2
⇒ x2 = (-2/7) × (-7/2) = 1
⇒ x = ± 1
Hence, correct option is 3.
Last updated on May 31, 2025
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