please answer all of them
1. √99*√396
2. √147* √243
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1 . √99*√396
= √(11×3×3)*√(11×2×2×3×3)
= 3√11*18√11
=54*11
= 594
2. √147*√243
=√(7×7×3)*√(3×3×3×3×3)
=7√(3)*9√3
=63√{3*3}
= 189
= √(11×3×3)*√(11×2×2×3×3)
= 3√11*18√11
=54*11
= 594
2. √147*√243
=√(7×7×3)*√(3×3×3×3×3)
=7√(3)*9√3
=63√{3*3}
= 189
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