Answer:
28
Step-by-step explanation:
(√3+√11)²+(√3-√11)²
3+11+2*√3*√11 + 3+11-2*√3*√11
3+11+3+11
(√3 + √11)^2+ (√3 − √11)^2=
(a+b)^2=a^2+2ab+b^2
(a-b)^2=a^2-2ab+b^2
(√3 + √11)^2= 3+√66+11
14+√66
(√3 − √11)^2= 3 - √66+11
14-√66
14+√66 +14-√66 =28
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Answers & Comments
Answer:
28
Step-by-step explanation:
(√3+√11)²+(√3-√11)²
3+11+2*√3*√11 + 3+11-2*√3*√11
3+11+3+11
28
Answer:
28
Step-by-step explanation:
(√3 + √11)^2+ (√3 − √11)^2=
(a+b)^2=a^2+2ab+b^2
(a-b)^2=a^2-2ab+b^2
(√3 + √11)^2= 3+√66+11
14+√66
(√3 − √11)^2= 3 - √66+11
14-√66
14+√66 +14-√66 =28