Question

Q.1 Given that HCF (306,657)=9, find LCM (306,657).
Q.2 Express the non-terminating repeating decimal number 1.325 in the p/q
form.
Q.3 Find quadratic polynomial each with the given numbers as the sum and
product of its zeroes respectively. (i) V2.
Q.4 Check whether the following are quadratic equations (i) (x+1)2=2(x-3)
Q.5 Find the roots of the following quadratic equation by factorisation;
(i) 2x2+x-6=0
Q.6Find the root of the following quadratic equations, if they exist, using
The quadratic formula. (i) 2x2+x-4=0
Q. 7 Find the roots ofthe followingequations; (i) x-1/x=3
Q.8 For the following APs. Write the first term and common difference;
(1) 0.6, 1.7, 2.8, 3.9,.........
Q.9 Which term of the AP; 3,8,13,18....... is 78?
Q.10 Find the sum of following APs.
(i) 2, 7, 12, ..........to 10 terms.​

Answer 1

Answer:

Answer of 1 Question :

we know that,

HCF×LCM=Product of number

9×LCM=306×657

LCM=306×657/9

LCM=22338

Hence ,LCM of 306&657 is 22338