16/k² -8/k=24 find the value of k
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Answered by
7
Answer:
→ k = -1 or 2/3
Step-by-step explanation:
We have
→ 16/k² - 8/k = 24
→ (16 - 8k)/k² = 24
→ 24k² + 8k - 16 = 0
→ 8(3k² + k - 2) = 0
→ 3k² +k - 2= 0
Splitting the middle term
→ 3k² + 3k - 2k - 2 = 0
→ 3k(k+1) - 2(k+1) = 0
→ (k+1) (3k-2) = 0
Case (1) if -
→ k + 1 = 0
→ k = -1
Case (2) if -
→ 3k - 2 = 0
→ k = 2/3
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0
Answer:
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