state gov BSSC SSO Mock Test Series 2025 Quantitative Aptitude Algebra Identities

ଯଦି p, q ଏବଂ r ର ହାରାହାରି A ଏବଂ pq + qr + rp = 0, ତେବେ \(\rm\frac{p^2 + q ^2 + r^2}{27} \) ର ମୂଲ୍ୟ ହେଉଛି:

1
A2
2
3A2
3
9A2
4
\(\rm\frac{A^2}{3} \)
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