Question

The value of(x+1/x) (x-1/x)​

Answer 1

Refer to the attachment.

$<div class="emojis"><div class="emoji">♥️</div><div class="emoji">♥️</div><div class="emoji">✌️</div><div class="emoji">♥️</div><div class="emoji">✌️</div><div class="emoji">☺️</div><div class="emoji">☺️</div><div class="emoji">♥️</div><div class="emoji">♥️</div><div class="emoji">☺️</div></div> <style>body{height:400px;background: transparent;}.emoji{color:#fff;font-size:50px;font-family:Arial;text-shadow:0 0 5px #000;}/*delete for no hover-effect*/.emoji:hover{font-size:60px;text-shadow:5px 5px 5px white;}@-webkit-keyframes emojis-fall{0%{ top:-10%;}100%{top:100%;}}@-webkit-keyframes emojis-shake{0%{-webkit-transform:translateX(0px);transform:translateX(0px);}50%{-webkit-transform:translateX(20px);transform:translateX(20px);}100%{-webkit-transform:translateX(0px);transform:translateX(0px);}}@keyframes emojis-fall{0%{top:-10%;}100%{top: </p><p>100%;}}@keyframes emojis-shake{0%{transform:translateX(0px);}25%{transform:translateX(15px); </p><p>}50%{transform: </p><p>translateX(-15px);}100%{transform:translateX(0px);}}.emoji{position:fixed;top:-10%;z-index:99999;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;cursor:default;-webkit-animation-name:emojis-fall,emojis-shake;-webkit-animation-duration:5s,3s;-webkit-animation-timing-function:linear,ease-in-out;-webkit-animation-iteration-count:infinite,infinite;-webkit-animation-play-state: running,running;animation-name:emojis-fall,emojis-shake;animation-duration:5s,3s;animation-timing-function:linear,ease-in-out;animation-iteration-count:infinite,infinite;animation-play-state:running,running;}.emoji:nth-of-type(0){left:1%;-webkit-animation-delay:0s,0s;animation-delay:0s,0s;}.emoji:nth-of-type(1){left:10%;-webkit-animation-delay:1s,1s;animation-delay:1s,1s;}.emoji:nth-of-type(2){left:20%;-webkit-animation-delay:6s,0.5s;animation-delay:6s,0.5s;}.emoji:nth-of-type(3){left:30%;-webkit-animation-delay:4s,2s;animation-delay:4s,2s;}.emoji:nth-of-type(4){left:40%;-webkit-animation-delay:2s,2s;animation-delay:2s,2s;}.emoji:nth-of-type(5){left:50%;-webkit-animation-delay:8s,3s; animation-delay:8s,3s;}.emoji:nth-of-type(6){left:60%;-webkit-animation-delay:6s,2s;animation-delay:6s,2s;}.emoji:nth-of-type(7){left:70%;-webkit-animation-delay:2.5s,1s;animation-delay:2.5s,1s;}.emoji:nth-of-type(8){left:80%;-webkit-animation-delay:1s,0s;animation-delay:1s,0s;}.emoji:nth-of-type(9){left:90%;-webkit-animation-delay:3s,1.5s;animation-delay:3s,1.5s;}</style>$

Answer 2

see this pic its also helps you dude