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1.too add or subtract radicals, indices and what is inside the radical (called the radicand) must be exactly same. if the indices and radicals are the same then add or subtract the terms in front of each like radical.if the indices or radicands are not the same then you can not add or subtract the radicals.
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2. you multiply radical expression that contain variables in the same manner. as long as the roots of the radical expression are the same you can use the product raised to a power rule to multiply and simplify. look at the two examples that follow.
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3.Remove common factors in the fraction.rewrite the radicand as a product using the largest perfect square factor.rewrite the radical as the product of two radicals.simplify.
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4. to rationalize a radical expression multiply the numerator and the denominator by the conjugate of the denominator. the conjugate of a binomial is obtained by changing the middle sign to its opposite.
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Yan na po
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