Surds and Indices Formulas Practice Question and Answer
2 4 Q:
5fbe7a642e911753dd564971 4 Q:
5f06d9453f7f07047795d6ff
Q: If $$ {(2x-5y)^{3}-(2x+5y)^{3}=y{[A{x}^{2}+B{y}^{2}]}}$$, then what is the value of $$ {(2A-B)}$$?
972 05fbe7a642e911753dd564971
5fbe7a642e911753dd564971- 125false
- 210true
- 315false
- 440false
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Answer : 2. "10"
Q: If $$ \sqrt{0.04×0.4×a} =0.4×0.04×{\sqrt{b}}$$ then the value of $$ {a\over b}$$ is:
1157 05f06d9453f7f07047795d6ff
5f06d9453f7f07047795d6ff- 10.016true
- 20.16false
- 31false
- 416false
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Answer : 1. "0.016"
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