yang tau please kasih tau yaa
Matematika
NatashaNoviana
Pertanyaan
yang tau please kasih tau yaa
2 Jawaban
-
1. Jawaban jpallo
1
a) √12 - √8 + ---- √50 - √27
5
1
= √(4 x 3) - √(4 x 2) + ---- √(25 x 2) - √(9 x 3)
5
= 2√3 - 2√2 + √2 - 3√3
= √3(2 - 3) + √2 (-2 + 1)
= -√3 - √2
2
b) √75 + ---- √72 - √48 - √18
3
2
= √(25 x 3) + ---- √(36 x 2) - √(16 x 3) - √(9 x 2)
3
= 5√3 + 4√2 - 4√3 - 3√2
= √3(5 - 4) + √2(4 - 3)
= √3 + √2
c) √175 - √24 - √63 + √54
= √(25 x 7) - √(4 x 6) - √(9 x 7) + √(9 x 6)
= 5√7 - 2√6 - 3√7 + 3√6
= √7(5 - 3) + √6(-2 + 3)
= 2√7 + √6
semoga jelas dan membantu ya -
2. Jawaban HR212
Answer:
________
=> A
√12-√8+1/5√50-√27
2√3-2√2+1/5 x 5√2 - 3√3
2√3 −2√2+√2−3√3
(2√3−3√3)+(−2√2+√2)
= -√3 -√2
____________________________
=> B
√75+2/3 √72 - √48 - √18
5√3 + 2/3 x 6√2 - 4√3 - 3√2
5√3 +4√2−4√3 −3√2
(5√3−4√3 )+(4√2 −3√2 )
= √3+√2
____________________________
=> C
√175 -√24 - √63 + √54
5√7−2√6−3√7 +3√6
(5√7 −3√7 )+(−2√6 +3√6)
= 2√7+√6
____________________________
*THANKS*