1.

Simplify each of the following expressionsplease step by step explanation without mising any stepsdo ot roughly and take a pic send to me as answer I will mark you as brainliest ​

Answer»

3. (√5+√2

 =(√5)²+(√2)²+2(√5)(√2)        [(a+b)² = a²+b²+2ab]

 =5 + 2 + 2√10

 =7+2√10

4.(√5-√2)(√5+√2)

 =(√5)²-(√2)²        [(a+b)(a-b)=a²-b²]

 =5-2

 =3



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