if a/b=2/3 then find the values of the following expression a³+b³/b³
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Answer:
follow on i n s t a g r a m = niral161
Step-by-step explanation:
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→ a/b = 2/3
→ 3a = 2b
→ a = 2b/3
→ b = 3a/2
→ (a³+b³)/b³
→ {(2b/3)³ + (3a/2)³ } / (3a/2)³
→ {(8b³/27) + (27a³/8)} / (27a³/8)
→ (8b³×8/27×8) + (27a³×27/8×27) / (27a³/8)
→ (64b³/216) + (729a³/216) / (27a³/8)
→ (64b³+729a³/216) / (27a³/8)
→ (64b³+729a³) × 8 / (216 × 27a³)
→ 512b³ + 5832a³ / 5832a³
→ 512b³
→ Correct value of a³+b³/b³ is 512b³
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