3√729 = pls tell plssssssssssssssssss don't spam
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81. MARK BRAINLEST
Step-by-step explanation:
Step 1: Find the prime factors of 729
729 = 3 × 3 × 3 × 3 × 3 × 3
Step 2: Clearly, 729 is a perfect cube. Here we will be using laws of exponents.
729 = 36 [am × an = am+n]
729 = [32]3 [(am)n = amn]
729 = 93
Step 3: Now, we will apply cube root to both the sides of the above expression to take out the factor as a single term, which is in cubes.
3√729 = 3√(93)
So, here the cube root is cancelled by the cube of 9.
Hence, 3√729 = 9
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