rationalise the donominator 1/7+4√3
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Answer:
6x 10-1'coulomb or one unit. The ratio, mass for each of the particle is 9.58 x 10" per gram. Hence, the mass of each of this 797 1.6x 10-19 = 1.67X 1024 9.58 x 10 c/m Properties of f
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Step-by-step explanation:
1/7+4√3
=1(7-4√3)/(7+4√3)(7-4√3)
=7-4√3/7²-(4√3)² [(a+b)(a-b)=a²-b²]
=7-4√3/49-(16×3) [(√3)²=√3×√3=3]
=7-4√3/49-48
=7-4√3
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