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Q: Simplify the expression: (0.3)³ + (0.6)³ + (0.7)³ – (3 × 0.2 × 0.4 × 0.6 व्यंजक (0.3)³ + (0.6)³ + (0.7)³ – (3 × 0.2 × 0.4 × 0.6) का सरलीकृत मान ज्ञात कीजिए।
  • A. 0.333
  • B.
  • C. 0.490
  • D. 0.442
Correct Answer: Option D - (0.3)³ + (0.6)³ + (0.7³ – (3 × 0.2 × 0.4 × 0.6) = 0.027 + 0.216 + 0.343 –0.144 = 0.586 –0.144 = 0.442
D. (0.3)³ + (0.6)³ + (0.7³ – (3 × 0.2 × 0.4 × 0.6) = 0.027 + 0.216 + 0.343 –0.144 = 0.586 –0.144 = 0.442

Explanations:

(0.3)³ + (0.6)³ + (0.7³ – (3 × 0.2 × 0.4 × 0.6) = 0.027 + 0.216 + 0.343 –0.144 = 0.586 –0.144 = 0.442