PSC Challenger App

Question:

$\frac{2.7 \times 2.7 \times2.7 + 2.3 \times 2.3 \times 2.3 }{ (2.7)^2 - 2.7 \times 2.3 + (2.3)^2}$ -ന്റെ വില:

C4.75

D4.5

Answer:

a³+b³= (a+b)(a²-ab+b²) 2.7³+2.3³/(2.7²-2.7 × 2.3 +2.3²) = (2.7+2.3)(2.7²-2.7 × 2.3 +2.3²) / (2.7²-2.7 × 2.3 +2.3²) = 2.7+2.3 =5

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Challenger