81 के वर्गमूल में अंको की संख्या बिना गणना के ज्ञात करे
shanti051990:
number of digits in √81 = 9
number of digits in √ 81 = 1
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√81 = √(3×3 ×3×3)
√81= √3² ×3²
√81 = √[3²*3²]
√81 = √3²*√3²
√81=3*3
So,√81 = 9.
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Answer:
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