Question
Download Solution PDF(a3 + b3) అనేది (a2 – b2) కి అనులోమానుపాతంలో ఉంటే, (a2 - ab + b2) అనేది క్రింది వాటిలో దేనికి అనులోమానుపాతంలో ఉంటుంది?
This question was previously asked in
CDS 02/2022 Elementary Mathematics Official Paper (Held On 04 Sep 2022)
Answer (Detailed Solution Below)
Option 1 : (a - b)
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Detailed Solution
Download Solution PDFఉపయోగించిన సూత్రం:
a3 + b3 = (a + b)(a2 - ab + b2)
a2 - b2 = (a + b)(a - b)
గణన:
ప్రశ్న ప్రకారం
(a3 + b3) ∝ (a2 – b2)
పై సర్వసమీకరణాన్ని ఉపయోగించగా
⇒ (a + b)(a 2 - ab + b2) ∝ (a + b)(a - b)
⇒ (a 2 - ab + b2) ∝ (a - b)
∴ (a 2 - ab + b2) అనేది a - b కి అనులోమానుపాతంలో ఉంటుంది.
Last updated on Jun 26, 2025
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