(√3 + √5)(√3 - √5)/7 - 2√5
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Answer:
The solution is
Step by step explanation:
→[√3+√5][√3+√5]/7-2√5
→[√3]²-[√5]²
7-2√5
→[3-5]
7-2√5
→[-2]×7+2√5
[7-2√5][7+2√5]
→-18√5
[5]²-[2√5]²
→ -18√5
25-[4×5]
→ -18√5
25-20
→ -18√5
5
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