(4root 5 - 3root2) (3root5 + 5root2)
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Hii friend,
(4✓5-3✓2)(3✓5+5✓2)
=> 4✓5(3✓5+5✓2) -3✓2(3✓5+5✓2)
=> 4×3 × 5 + 4 × 5 × ✓5×✓2 - 3×3 × ✓2 × ✓5 - 3 × 5 × 2
=> 60 + 20✓7 - 9✓7 - 30
=> 30+11✓7....Ans...
HOPE IT WILL HELP YOU...... :-)
(4✓5-3✓2)(3✓5+5✓2)
=> 4✓5(3✓5+5✓2) -3✓2(3✓5+5✓2)
=> 4×3 × 5 + 4 × 5 × ✓5×✓2 - 3×3 × ✓2 × ✓5 - 3 × 5 × 2
=> 60 + 20✓7 - 9✓7 - 30
=> 30+11✓7....Ans...
HOPE IT WILL HELP YOU...... :-)
Answered by
2
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