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1.The h.c.f of 12 and 18 is 2.the l.c.m of 15 and 25 is 3.On multiplying x+3 and x+2 we get 4.the h.c.f of 6 and 32 is 5.the l.c.m of 5 and 7 is |
| Answer» 12 = 2×2×318 =2×3×32and 3 are Common HENCE,HCF= 62--LCM15 = 3×525= 5×5LCM= 3 × 5²= 753--(x+a)(x+b)= x²+(a+b)x+ AB4 -- 6= 2×332= 2×2×2×2×2HCF= 25--5=57=7both are prime numbersLCM=5×7=35 | |