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प्रश्न
Complete the missing entries in the following factor tree.
उत्तर
We need to fill the values for a and b in the following factor tree:
It is clear from the factor tree above that
`b= 3xx7`
`b=21`
Also,
`a=2xxb`
`a=2xx21`
`a=42`
Thus, the missing entries are 21 and 42.
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