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Is 7×6×5×4×3×2×1+5 a composite number? Justify your answer |
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Answer» Let 7*6*5*4*3*2*1+5 = n Now taking 5 common => 5(7*6*4*3*2*1+1)=> 5 (1008+1)=> 5*1009This shows factors of n are n,1 ,5and 1009Since it has more than 2 factors therefore its a composite no. Its too easy dear.dont worry net perbhi search kiya to mil jayenga Maths ki 10th ki ncert book me hai Same here Aaj tk maths me full lata rha par kewal composite no. Hi smj nhi aaya Solve it pta chl jayga |
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