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Mathematics
Without using a calculator
Without using a calculator simplify (a) √3×√3 (b) 3√6 × 4√6 (c) (2√7)² (d) ²√5 × ²√5 × ²√5
zayo8468
3 14.02.2022 05:40
2
Answers
murphyscott794
14.02.2022 05:40
Surds
√3×√3 =3
3√6 × 4√6 =12 × 6= 72
(2√7)²=(2√7)(2√7)=4+2√7+2√7+7=4√7 +11
√5 ×√5 ×√5 =5√5
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Surds
√3×√3 =3
3√6 × 4√6 =12 × 6= 72
(2√7)²=(2√7)(2√7)=4+2√7+2√7+7=4√7 +11
√5 ×√5 ×√5 =5√5