value of (√5+√2)² is
Answers
Answered by
3
Answer:
7
Step-by-step explanation:
the roots of both nmbrs will cancel with that square...
so it will become 5+2
so 5+2=7......
pls mark as Brainliest.....
Tq
Answered by
2
Answer:
Question -
value of (√5+√2)² is
FORMULA USED HERE -
( a + b) ² = a² +2ab + b²
METHOD TO SOLVE -
Just we have to substitute the value on formula , and solve the expression to find out the value .
SOLUTION -
According to formula,
(a + b)² = a² + 2ab +b²
(√5 + √2)² = (√5)² + 2×√5×√2 + ( √2)²
= 5 + 2√10 + 2
= 7 + 2√10
HENCE, THE VALUE IS 7 + 2√10 ANSWER
Additional -
we can also solve it by the expanding method without formula , just by taking common and multiplying by same expression .
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