Question

(5√6+3√8) + (9√6+4√8) plzzz explain it plzz help me ​

Answer 1

(5√6+3√8) + (9√6+4√8)

14√6 + 7√3

Answer 2

ANSWER:

• Value of above expression is 14(√6+√2)

GIVEN:

• (5√6+3√8)+(9√6+4√8)

TO FIND:

• Value of above expression.

SOLUTION:

= 5√6+3√8+9√6+4√8

= 5√6+3√4*√2+9√6+4√4*√2

= 5√6+3*2√2+9√6+4*2*√2

= 5√6+6√2+9√6+8√2

= (5√6+9√6)+(6√2+8√2)

= 14√6+14√2

= 14(√6+√2)

• Value of above expression is 14(√6+√2)

NOTE:

Some important formulas:

• (a+b)² = a²+b²+2ab
• (a-b)² = a²+b²-2ab

• Like terms can be added or subtracted.
• Square root of some number:
• √64 = 8
• √225 = 15
• √625 = 25
• √576 = 24