Rationalise 1 /√25 - √3
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Answer:
(25 + √3)/ 622
Step-by-step explanation:
to rationalise the denominator which has two terms connected by a plus or minus sign we multiply both the numerator and the denominotr by the conjugate of the denominator .
= 1 / 25 - √3
= ( 1 x 25 + √3)/ (25 + √3) ( 25 - √3)
= (25 + √3)/625 - 3
= ( 25 + √3) / 622
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