Pls help me with this .pls
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Step-by-step explanation:
(1/√4+√5)×(1/√4-√5)+(1/√5+√6)×(1/√5-√6)+(1/√6+√7)×(1/√6-√7)+(1/√7+√8)×(1/√7-√8)+(1/√8+2)
After rationalising denominators. ☝☝
1/(√4) ^2-(√5) ^2+1/(√5) ^2-(√6) ^2+1/(√6) ^2-(√7) ^2+1/(√7) ^2-(√8) ^2+1/(√8+2). {solving upper one.}
(1/4-5)+(1/5-6) +(1/6-7) +(1/7-8) +(1/√8+2).
(1/-1) +(1/-1) +(1/-1) +(1/-1) +√8-2.
-1-1-1-1+√8-2
√8-6 is the answer
Please mark it as brainliest
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